Unit 1 Review

Turn the following into scientific notation:

0.00000007972

• 7.972 x 10⁸

• 7.97 x 10^-7

• 7.972 x 10^-8

• 7.972

What is the first step of the scientific method?

• Observation

• Experiment

• Hypothesis

• Conclusion

What is a quantitative observation?

• Any data that describes the materials

• Any data that uses numbers to describes materials

• Any data

• A long word that means nothing to me

What is the correct number of sig figs in:

10780

• 5

• 3

• 2

• 4

Following the sig figs math rules what is the answer for?

3.17 + 4.0345

• 7.20

• 7.2045

• 7.2

• 7.205

What is the correct order of the scientific method?

• Hypothesis

• Analysis

• Observation

• Experiment

• Conclusion

What is the following number in scientific notation?

3910000000

• 3.91 x 10^-9

• 3.91

• 3.91 x 10⁹

• 39.1 x 10⁸

Using the sig figs math rules calculate the answer for:

4.97 / 2.1 =

• 2.3

• 2.4

• 2.37

• 2.367

What is the correct answer for:

4.97 x 6

• 30

• 29.8

• 30.0

• 30.

cm³ can also be written as....

• m

• grams

• mL

• kg